23335405423240 has 16 divisors (see below), whose sum is σ = 52504662202380. Its totient is φ = 9334162169280.

The previous prime is 23335405423189. The next prime is 23335405423277. The reversal of 23335405423240 is 4232450453332.

It can be written as a sum of positive squares in 2 ways, for example, as 21837097228324 + 1498308194916 = 4673018^2 + 1224054^2 .

It is a super-2 number, since 2×23335405423240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 583385135581 = 23335405423240 / (2 + 3 + 3 + 3 + 5 + 4 + 0 + 5 + 4 + 2 + 3 + 2 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 23335405423193 and 23335405423202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291692567751 + ... + 291692567830.

Almost surely, 2^{23335405423240} is an apocalyptic number.

23335405423240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23335405423240 is an abundant number, since it is smaller than the sum of its proper divisors (29169256779140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23335405423240 is a wasteful number, since it uses less digits than its factorization.

23335405423240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583385135592 (or 583385135588 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 40.

Adding to 23335405423240 its reverse (4232450453332), we get a palindrome (27567855876572).

The spelling of 23335405423240 in words is "twenty-three trillion, three hundred thirty-five billion, four hundred five million, four hundred twenty-three thousand, two hundred forty".